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salantis [7]
3 years ago
6

Equations on both sides

Mathematics
2 answers:
BARSIC [14]3 years ago
8 0
The answer would be for this problem is -22
choli [55]3 years ago
6 0

Answer:

x = -22

Step-by-step explanation:

Subtract 5 from both sides

3x + 5 (-5) = 2x - 17 (-5)  

3x = 2x - 17

Subtract 2x from both sides

3x (-2x) = 2x (-2) -22  

x = -22

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If f(x)=square root of 1/2x -10+3 which inequality can be used to find the domain of f(x)?
zlopas [31]
Hello :
f(x) = <span>√(0.5x-10) +3

</span>inequality can be used to find the domain of f(x) is :  0.5x-10 <span>≥ 0  
</span>0.5x ≥10
x ≥10/0.5
x ≥ 20

the domain of f(x) is :  D = <span>[</span><span>20 ; + ∞[ </span>
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3 years ago
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3 years ago
F(x)=9 x^{3} +2x^2-5x+4 and g(x)=5x^3-7x+4. What is f(x)-g(x)? Show all of your steps and write your finial answer in factored f
olasank [31]

Answer:

{ -0.5 - √2,  0,  -.5 + √2 }

Step-by-step explanation:

Let's rewrite these two functions in a vertical column:

 f(x)=9 x^{3} +2x^2-5x+4

-g(x)=5x^3-7x+4

Now combine (through subtraction) like terms, in order of descending powers of x:

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Let's do some preliminary factoring here.  Factor 2x out of each term, obtaining

f(x) - g(x) = 2x(2x^2 + x + 1)

First setting 2x = 0, we find that x = 0 is one solution.

Applying the quadratic formula to 2x^2 + x + 1, we see that a = 2, b = 1 and c = 1.  Then the two roots of this quadratic are:

      -1 plus or minus √(1^2 - 4(2)(1) )        -1 ± √(8)

x = ----------------------------------------------- = ---------------

                         2(1)                                         2

This simplifies to:

      -1 plus or minus √(1^2 - 4(2)(1) )        -1 ± 2√(2)

x = ----------------------------------------------- = ---------------

                         2(1)                                         2

Thus, the roots of f(x) - g(x) are { -0.5 - √2,  0,  -.5 + √2 }

7 0
3 years ago
10.) Write an equivalent expression to d+ d + d + W+W+W+W
rjkz [21]

Answer:

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Step-by-step explanation:

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Now, add these together to get the equivalent expression:

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3 years ago
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viva [34]

Answer:

D

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2 years ago
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